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Finding the Fourth Proportional to 245,582.51, 368,514.99 and 103,416.57

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Solution

The fourth proportional to 245,582.51, 368,514.99 and 103,416.57 is: 155,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,582.51 : 368,514.99 = 103,416.57 : x
  2. Step 2: Convert to fraction form
    245,582.51/368,514.99 = 103,416.57/x
  3. Step 3: Cross multiply
    245,582.51x = 368,514.99 × 103,416.57
  4. Step 4: Simplify right side
    245,582.51x = 38,110,556,259.38
  5. Step 5: Solve for x
    x = 38,110,556,259.38/245,582.51
  6. Step 6: Final answer
    x = 155,184.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.